Side by side

Spinnaker Challenger AutomaticvsUndone Basecamp Cali Blue

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Spinnaker Challenger Automatic

The Spinnaker Challenger Automatic is widely praised for its fun, playful design, solid build quality, and satisfying bezel action. Owners appreciate the comfortable 42mm DLC-coated case and the thoughtful integration of the Popeye theme, with the character serving as the hour and minute hands. Reviewers note the reliable Seiko NH35 movement and 300m water resistance. Some owners find the blue lume weaker than expected, and the ultra-domed sapphire crystal presents challenges for photography. The thick rubber strap is also cited as difficult to manage. Overall, owners and reviewers rate the Spinnaker Challenger Automatic highly for its unique character integration and solid dive watch fundamentals at its price point.

Undone Basecamp Cali Blue

The Undone Basecamp Cali Blue is praised for its attractive, vintage-feeling California dial and subtle texture, with owners appreciating the 40mm case fit and customization options. Reviewers note the desirable, affordable timepiece features a textured Cali dial and 100m water resistance. Some drawbacks mentioned include the lack of a date function and a 15mm thickness, exacerbated by a chunky strap. The watch is powered by a Seiko NH35 automatic movement and features a friction bezel. Overall, owners and reviewers rate the Undone Basecamp Cali Blue highly for its unique dial design and value.

At a glance

10 of 29 specs differ
Diameter
Challenger Automatic42mm
Basecamp Cali Blue40mm
Power Reserve
Challenger Automatic
Basecamp Cali Blue
Water Resistance
Challenger Automatic200m
Basecamp Cali Blue100m
MSRP
Challenger Automatic$289
Basecamp Cali Blue$325

Full specifications

Case

7 specs
Category
Diver
Diameter
42mm
40mm
Thickness
19mm
0mm
Lug-to-Lug
49.5mm
0mm
Lug Width
22mm
0mm
Material
316L Stainless Steel
Stainless Steel
Water Resistance
200m
100m

Crystal & Dial

2 specs
Crystal
Sapphire
Dial Color
Blue

Pricing

1 specs
MSRP
$289
$325
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